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利勃海爾LTM1250-5.1起重機具有以下優點：1. 高承載能力：LTM1250-5.1起重機最大起重能力達到250噸，能夠滿足各種大型起重任務的需求。2. 長達70米的伸縮臂：起重機配備了70米的伸縮臂，能夠實現更廣泛的工作范圍和更高的靈活性。3. 多種工作模式：起重機具有多種工作模式，如全伸、半伸和全收，以適應不同的工作環境和工作需求。4. 先進的安全系統：起重機配備了先進的安全系統，包括動態防碰撞系統、超載保護系統和限位器等，保障操作人員和周圍環境的安全。5. 高度可調的駕駛室：駕駛室可在高度范圍內進行調整，以提供最佳的視野和操作舒適性。6. 方便的移動性能：起重機具有良好的移動性能，可以快速、穩定地移動到工作現場。7. 環保節能：起重機采用了先進的動力系統和排放控制技術，以降低能耗和排放，達到環保和節能的要求?？傊?，利勃海爾LTM1250-5.1起重機具有強大的承載能力、靈活的工作范圍、先進的安全系統和移動性能，是一款高效、安全、可靠的起重設備。

Liebherr LTM1250-5.1 crane has the following advantages:1. High load capacity: LTM1250-5.1 crane has a maximum lifting capacity of 250 tons, which is able to meet the needs of various large-scale lifting tasks.2. Telescopic boom up to 70 meters: The crane is equipped with a 70-meter telescopic boom, which enables a wider working range and higher flexibility.3. Multiple working modes : The crane features multiple working modes, such as full extension, half extension and full retract, to adapt to different working environments and work requirements. 4. Advanced safety systems: The crane is equipped with advanced safety systems, including dynamic collision avoidance system, overload protection system and limiters, to safeguard the safety of the operator and the surrounding environment. 5. Height-adjustable cabs: The cabs can be adjusted in a range of heights to provide the optimal visibility and operating comfort.6. Convenient mobility performance: the crane has good mobility performance and can be moved to the work site quickly and stably.7. Environmental protection and energy saving: the crane adopts advanced power system and emission control technology to reduce energy consumption and emission to meet the requirements of environmental protection and energy saving. All in all, Liebherr LTM1250-5.1 crane is an efficient, safe and reliable lifting equipment with strong load capacity, flexible working range, advanced safety system and mobility performance.